package com.jacobs.task;

import java.util.concurrent.Future;
import org.springframework.scheduling.annotation.Async;
import org.springframework.scheduling.annotation.AsyncResult;
import org.springframework.stereotype.Component;

/**
 * Created by lichao on 16/8/9.
 */
@Component
public class Task {

  @Async
  public Future<String> doTaskOne() throws Exception {
    System.out.println("开始做任务一");
    long start = System.currentTimeMillis();
    Thread.sleep(10000);
    long end = System.currentTimeMillis();
    System.out.println("完成任务一，耗时：" + (end - start) + "毫秒");
    return new AsyncResult<>("任务一完成");
  }

  @Async
  public Future<String> doTaskTwo() throws Exception {
    System.out.println("开始做任务二");
    long start = System.currentTimeMillis();
    Thread.sleep(10000);
    long end = System.currentTimeMillis();
    System.out.println("完成任务二，耗时：" + (end - start) + "毫秒");
    return new AsyncResult<>("任务二完成");
  }

  @Async
  public Future<String> doTaskThree() throws Exception {
    System.out.println("开始做任务三");
    long start = System.currentTimeMillis();
    Thread.sleep(10000);
    long end = System.currentTimeMillis();
    System.out.println("完成任务三，耗时：" + (end - start) + "毫秒");
    return new AsyncResult<>("任务三完成");
  }
}
